CEFR-Based Sentence Difficulty Annotation and Assessment Yuki Arase author Satoru Uchida author Tomoyuki Kajiwara author 2022-12 text Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing Yoav Goldberg editor Zornitsa Kozareva editor Yue Zhang editor Association for Computational Linguistics Abu Dhabi, United Arab Emirates conference publication arase-etal-2022-cefr 10.18653/v1/2022.emnlp-main.416 https://aclanthology.org/2022.emnlp-main.416/ 2022-12 6206 6219